*{
	margin: 0;
	padding: 0;
}

body{
	position: absolute;
	min-width: 1140px;
	width: 100%;
	height: 100%;
	color: white;
	background: url(../img/1AA351W-7.jpg);
}


form{
	position: absolute;
	width: 400px;
	height: 256px;
	top: 50%;
	left: 50%;
	margin-top: -128px;
	margin-left: -200px;
}

input[type="text"],
input[type="password"] {
	display: block;	
	height: 36px;
	width: 270px;
	margin: 15px auto;
	padding: 0 15px;
	font-family: "微软雅黑";
	font-size: 16px;
	letter-spacing:3px;
	border: none;
	box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.1);
	border-radius: 5px;
	background: rgba(255, 255, 255, 0);
	color: #494949;
	transition:border 0.4s, box-shadow 0.4s;
	-moz-transition:border 0.4s, box-shadow 0.4s; /* Firefox 4 */
	-webkit-transition:border 0.4s, box-shadow 0.4s; /* Safari and Chrome */
	-o-transition:border 0.6, box-shadow 0.4s; /* Opera */
}

input[type="text"]:focus,
input[type="password"]:focus{
	box-shadow: 1px 1px 6px rgba(0, 0, 0, 0.2);
}

button[type="submit"]{
	display: block;	
	height: 50px;
	width: 306px;
	margin: 50px auto;
	background: rgba(255, 255, 255, 0.3);
	box-shadow: 1px 1px 5px rgba(0, 0, 0, 0.1);
	border: none;
	border-radius: 5px;
	font-family: "幼圆";
	font-size: 25px;
	font-weight: 200;
	letter-spacing: 10px;
	color: #494949;
	cursor: pointer;
	transition:background-color 1s, color 1s;
	-moz-transition:background-color 1s, color 1s; /* Firefox 4 */
	-webkit-transition:background-color 1s, color 1s; /* Safari and Chrome */
	-o-transition:background-color 1s, color 1s; /* Opera */	
}

button[type="submit"]:hover,
button[type="submit"]:focus{
	background: rgba(255, 255, 255, 0);
}

.logo{
	position: absolute;
	top: 50%;
	left: 50%;
	width: 200px;
	line-height: 200px;
	margin: -100px;/*让.logo居中*/
	text-align: center;
	font-family: "微软雅黑";
	font-size: 40px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.3);
	color: white;
	box-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

.title{
	position: absolute;
	top: 3%;
	left: 3%;
	font-family: "幼圆";
	font-size: 40px;
}

.time{
	position: absolute;
	bottom: 5%;
	right: 3%;
	overflow: hidden;
}

.time span{
	display: block;
	float: left;
	width: 100px;
	line-height: 100px;
	background: rgba(255, 255, 255, 0.2);
	text-align: center;
	font-family: "微软雅黑";
	font-size: 50px;
	margin-right: 10px;
	border-radius: 5px;
	cursor: default;
	box-shadow: 0 0 3px rgba(255, 255, 255, 0.3);
}

.usernameError{
	display: block;
	width: 300px;
	margin: 0 auto;
	font-family: "幼圆";
	font-size: 14px;
	position: absolute;
	left: 55px;
	top: -13px;
	transition:visibility 0.4s;
	-moz-transition:visibility 0.4s; /* Firefox 4 */
	-webkit-transition:visibility 0.4s; /* Safari and Chrome */
	-o-transition:visibility 0.4s; /* Opera */
	color: white;
}

.passwordError{
	display: block;
	width: 300px;
	margin: 0 auto;
	font-family: "幼圆";
	font-size: 14px;
	position: absolute;
	left: 55px;
	top: 115px;
	transition:visibility 0.4s;
	-moz-transition:visibility 0.4s; /* Firefox 4 */
	-webkit-transition:visibility 0.4s; /* Safari and Chrome */
	-o-transition:visibility 0.4s; /* Opera */
	color: white;
}
